Cocktail lamp



FIG. 1 is a front, top perspective view of an cocktail lamp showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear side elevational view thereof;

FIG. 5 is a front side elevational side view thereof;

FIG. 6 is a top plan thereof; and,

FIG. 7 is bottom view thereof. 

The ornamental design for a cocktail lamp, as shown and described. 